<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script type = "text/javascript" src = "../jquery-1.7.2.js"></script>
    <script type = "text/javascript">
        $(function(){
            $("#multiple,#single,:radio,:checkbox").val(["rad","io1","checkbox1","checkbox3","mul1","mul4","mmul3"])

        })
    </script>
</head>
<body>
    <input name="radio" type="radio" value="radio1" />radio1
    <input name="radio" type="radio" value="radio2" />radio2
    <br/>
    多选：
    <input name="checkbox" type="checkbox" value="checkbox1" />checkbox1
    <input name="checkbox" type="checkbox" value="checkbox2" />checkbox2
    <input name="checkbox" type="checkbox" value="checkbox3" />checkbox3
    <br/>
下拉多选 ：
<select id="multiple" multiple="multiple" size="4">
    <option value="mul1">mul1</option>
    <option value="mul2">mul2</option>
    <option value="mul3">mul3</option>
    <option value="mul4">mul4</option>
</select>
<br/>
下拉单选 ：
<select id="single">
    <option value="sin1">sin1</option>
    <option value="sin2">sin2</option>
    <option value="sin3">sin3</option>
</select>
</body>
</html>